Looking for breakthrough ideas for innovation challenges? Try Patsnap Eureka!

A welding and forging composite process and device for surface remanufacturing of metallurgical roller table

A composite device and composite process technology, which is applied in the direction of manufacturing tools, metal rolling, metal rolling, etc., can solve the problems of coarse structure in the weld bead superposition area, precipitation of weld bead traces, and uneven composition, so as to reduce the amount of processing, Improve crack resistance and counteract shrinkage deformation

Active Publication Date: 2022-06-24
CHONGQING UNIV +3
View PDF12 Cites 0 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] Therefore, in view of the existing metallurgical roller surfacing welding repair and remanufacturing technology, the weld bead superposition area has coarse structure, hardness reduction, and weld bead trace precipitation caused by uneven composition. A method that can significantly improve the repair and remanufacturing effect, A new method to improve the service life of the roller table has become an urgent problem to be solved in this technical field

Method used

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View more

Image

Smart Image Click on the blue labels to locate them in the text.
Viewing Examples
Smart Image
  • A welding and forging composite process and device for surface remanufacturing of metallurgical roller table
  • A welding and forging composite process and device for surface remanufacturing of metallurgical roller table
  • A welding and forging composite process and device for surface remanufacturing of metallurgical roller table

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0031] The present invention will be further described in detail below in conjunction with the accompanying drawings.

[0032] A welding and forging composite process for remanufacturing the surface of a metallurgical roller table in this specific embodiment includes the following steps:

[0033] 1) The roller table is pre-treated first, and then the multi-material arc additive welding is performed on the roller table;

[0034] 2) When the weld bead formed by welding is cooled to the preset temperature, the forging device starts to work to forge the weld bead area cooled to the preset temperature;

[0035] 3) Finally, the repaired roller table is subjected to post-weld treatment and finishing, that is, the surface of the roller table is remanufactured.

[0036] In this scheme, by intervening a low-frequency follow-up forging device at a reasonable temperature of the weld bead to forge the weld bead, the coarse grain structure caused by staying in the high temperature region f...

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

PUM

No PUM Login to View More

Abstract

The invention discloses a welding and forging composite process and device for remanufacturing the surface of a metallurgical roller table. When the weld bead cools to the preset temperature, the forging device starts to work to forge the weld bead area cooled to the preset temperature; finally, post-weld treatment and finishing are performed on the repaired roller table, that is, the surface of the roller table is realized remanufacturing. The welding torch and the forging device move at the same speed on the track, and the roller table is driven by the machine head to rotate around its axis, so that the welding material with a set thickness is fully welded in the form of a spiral on the circumferential surface of the roller table. The welding torch is located above the axis of the roller table and vertically downward, and the forging direction of the forging device is horizontally facing the axis of the roller table. The invention can effectively realize the finishing of the surface of the roller table and the homogenization of the structure and composition of the accumulated material, thereby improving the service life of the roller table.

Description

technical field [0001] The invention relates to the technical field of metallurgical equipment, in particular to a welding and forging composite process and device for remanufacturing the surface of a metallurgical roller table. Background technique [0002] my country is a big country in steel production and consumption, of which rolled products account for about 85%-90%. The metallurgical roller table is a tool to plastically deform the rolled metal, and it is a key spare part for steel rolling production. Its performance directly affects the product quality and production cost of the enterprise. With the rapid progress of metallurgical rolling equipment and technology, the quality requirements for various rolls are getting higher and higher. At the same time, the competition in the steel market is becoming increasingly fierce, and cost reduction and efficiency enhancement will undoubtedly become a survival and competition strategy that major enterprises must adopt. With...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

Application Information

Patent Timeline
no application Login to View More
Patent Type & Authority Patents(China)
IPC IPC(8): B23P6/00B21B27/00
CPCB23P6/00B21B27/00
Inventor 周杰张建生肖贵乾赖世强余盈燕郑超廖保莲权国政卢顺
Owner CHONGQING UNIV
Who we serve
  • R&D Engineer
  • R&D Manager
  • IP Professional
Why Patsnap Eureka
  • Industry Leading Data Capabilities
  • Powerful AI technology
  • Patent DNA Extraction
Social media
Patsnap Eureka Blog
Learn More
PatSnap group products

Browse by: Latest US Patents, China's latest patents, Technical Efficacy Thesaurus, Application Domain, Technology Topic, Popular Technical Reports.

© 2024 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap|About US| Contact US: help@patsnap.com